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Enhancing the light trapping using nonwoven arrays of fibers has the potential to improve the photocurrent of silicon solar cells. In this work, amorphous and crystalline Si nanopowders (30–300 nm) were embedded in carbon fibers and fixed in place with electrodeposited nickel. Scanning and transmission electron microscopy techniques have been used to study the morphology of the Si particles and their...
Hydrogen embrittlement of structural materials, such as nickel-based alloys, is often characterized by enhanced dislocation processes as well as grain boundary decohesion leading to macroscale intergranular fracture. Nanoindentation and scanning probe microscopy (SPM) were used to characterize slip transfer across random grain boundaries and Σ3 recrystallization twins in annealed Ni-201. Thermal hydrogen...
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